1051352431 has 4 divisors (see below), whose sum is σ = 1052008272. Its totient is φ = 1050696592.

The previous prime is 1051352413. The next prime is 1051352453. The reversal of 1051352431 is 1342531501.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1342531501 = 337 ⋅3983773.

It is a cyclic number.

It is not a de Polignac number, because 1051352431 - 2¹¹ = 1051350383 is a prime.

It is a super-2 number, since 2×1051352431² = 2210683868339219522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1051352396 and 1051352405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051352831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 325510 + ... + 328723.

It is an arithmetic number, because the mean of its divisors is an integer number (263002068).

Almost surely, 2^1051352431 is an apocalyptic number.

1051352431 is a deficient number, since it is larger than the sum of its proper divisors (655841).

1051352431 is an equidigital number, since it uses as much as digits as its factorization.

1051352431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655840.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1051352431 is about 32424.5652399535. The cubic root of 1051352431 is about 1016.8325524293.

Adding to 1051352431 its reverse (1342531501), we get a palindrome (2393883932).

The spelling of 1051352431 in words is "one billion, fifty-one million, three hundred fifty-two thousand, four hundred thirty-one".